オートレース オートレーサー メグロ 2気筒 MR セア トライアンフ 競争車

[@ttizm]

what engine is it? thanks

[@gozira1]

This engine is a Meguro MR type 650cc.
It was designed in Japan based on the Triumph T120.
Compared to the Triumph, the engine is designed to be easier to disassemble.